<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 Not Found</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            background-color: #f0f0f0;
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
        }
        .container {
            text-align: center;
            padding: 20px;
        }
        h1 {
            color: #d9534f;
            font-size: 72px;
            margin: 0;
        }
        p {
            color: #333;
            font-size: 18px;
            margin: 20px 0;
        }
        .home-link {
            display: inline-block;
            background-color: #007bff;
            color: white;
            padding: 10px 20px;
            text-decoration: none;
            border-radius: 5px;
            font-size: 16px;
            transition: background-color 0.3s;
        }
        .home-link:hover {
            background-color: #0056b3;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>404</h1>
        <p>抱歉，您访问的页面不存在或已被移除。</p>
        <a href="/" class="home-link">返回首页</a>
    </div>
</body>
</html>